CN220354500U

CN220354500U - Clamping ring type high-pressure stop valve

Info

Publication number: CN220354500U
Application number: CN202321802478.7U
Authority: CN
Inventors: 金明勇; 陈建克; 张胜勇; 张林巧; 张张远
Original assignee: Zhejiang Naigao Valve Co ltd
Current assignee: Zhejiang Naigao Valve Co ltd
Priority date: 2023-07-10
Filing date: 2023-07-10
Publication date: 2024-01-16
Anticipated expiration: 2033-07-10

Abstract

The utility model discloses a snap ring type high-pressure stop valve, which comprises a valve body, wherein the top end of the valve body is arranged on a valve cover, a rotating rod is arranged in the middle of the top end of the valve cover, the top end of the rotating rod is fixedly connected with a rotating wheel, the valve cover is fixedly connected with the valve body through a connecting bolt, flanges are arranged between the valve cover and the valve body, grooves are formed in the inner sides of bottom end flanges, snap rings are arranged on the top ends of the top end flanges, the snap rings are arranged in the grooves, a user can combine and fix two groups of flanges through the arranged snap rings and groove structures, contact and seal can be carried out firstly through the snap rings and the grooves, and then the two groups of flanges are combined and fixed through the connecting bolt, so that the fastening requirement is realized, and the user can connect and fix the inner sealing gasket and the sealing gasket through the gland structure, so that the sealing effect is enhanced.

Description

Clamping ring type high-pressure stop valve

Technical Field

The utility model relates to the field of high-pressure stop valve devices, in particular to a clamping ring type high-pressure stop valve.

Background

The opening and closing member of the high-pressure stop valve is a plug-shaped valve clack, the sealing surface is a plane or a conical surface, and the valve clack moves linearly along the central line of the fluid. The valve rod has a lifting rod type (the valve rod is lifted and the hand wheel is not lifted) and a lifting rotating rod type (the hand wheel and the valve rod rotate and lift together), and the nut is arranged on the valve body. The shut-off valve is only suitable for full opening and full closing and does not allow for regulation and throttling.

The currently used stop valve is more in connecting pieces, larger in occupied space, more in operation, long in working time and high in cost.

Disclosure of Invention

In order to overcome the defects of the prior art, the clamping ring type high-pressure stop valve provided by the utility model has the advantages that through the arranged clamping ring and groove structure, a user can combine and fix two groups of flanges, firstly, the clamping ring and the groove can be used for contact sealing, then, the two groups of flanges are combined and fixed through connecting bolts, the fastening requirement is realized, and through the arranged gland, the inner sealing gasket and the sealing gasket, the user can connect and fix the inner sealing gasket and the sealing gasket through the gland structure, and the sealing effect is enhanced.

In order to solve the technical problems, the utility model provides the following technical scheme: the clamping ring type high-pressure stop valve comprises a valve body, the top of valve body sets up in the valve gap, the top middle part of valve gap is provided with the bull stick, the top and the runner fixed connection of bull stick, through connecting bolt fixed connection between valve gap and the valve body, all be provided with the flange between valve gap and the valve body, the bottom the recess has been seted up to the inboard of flange, the top of flange is provided with the snap ring, the snap ring sets up in the recess.

As a preferable technical scheme of the utility model, a sealing gasket and a gland are arranged on the outer side of the rotating rod, the sealing gasket is fixed on the top end of the inner side of the rotating rod through the gland, and an inner sealing gasket is arranged at the bottom end of the inner side of the gland.

As a preferable technical scheme of the utility model, the valve body is internally provided with a valve seat, and the interior of the valve seat is fixedly connected with the bottom end of the rotating rod.

As a preferable technical scheme of the utility model, the inner side of the clamping ring is of an inner hook structure, and the clamping ring is made of heat-resistant rubber.

As a preferable technical scheme of the utility model, the bottom end of the clamping ring is of a conical surface structure and is matched with the size of the groove.

As a preferable technical scheme of the utility model, the inner sealing gasket is a metal-wound rubber gasket.

Compared with the prior art, the utility model has the following beneficial effects:

1. in this device, through snap ring and the recess structure that sets up, the user can make up two sets of flanges fixed, and accessible snap ring and recess contact seal at first, and then make up the fixed through connecting bolt with two sets of flanges, realize the needs of fastening.

2. In this device, through gland, interior sealing gasket and the sealing gasket that set up, the user can be through gland structure, and with interior sealing gasket and sealing gasket connect fixedly, strengthen sealed effect.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the structure of the present utility model;

FIG. 3 is a schematic diagram of the structure shown at A in FIG. 2;

fig. 4 is a structural exploded view of the present utility model.

Wherein: 1. a valve body; 11. a valve seat; 2. a valve cover; 21. a flange; 22. a clasp; 23. a groove; 3. a rotating rod; 31. a sealing gasket; 32. a gland; 33. an inner gasket; 4. a rotating wheel; 5. and (5) connecting bolts.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples:

as shown in fig. 1-4, the utility model provides a clamping ring type high-pressure stop valve, which comprises a valve body 1, wherein the top end of the valve body 1 is arranged on a valve cover 2, a rotating rod 3 is arranged in the middle of the top end of the valve cover 2, the top end of the rotating rod 3 is fixedly connected with a rotating wheel 4, the valve cover 2 is fixedly connected with the valve body 1 through a connecting bolt 5, a flange 21 is arranged between the valve cover 2 and the valve body 1, a groove 23 is formed in the inner side of the bottom flange 21, a clamping ring 22 is arranged at the top end of the top flange 21, and the clamping ring 22 is arranged in the groove 23.

In other embodiments, the outer side of the rotating rod 3 is provided with a sealing gasket 31 and a pressing cover 32, the sealing gasket 31 is fixed at the inner top end of the rotating rod 3 through the pressing cover 32, and the inner bottom end of the pressing cover 32 is provided with an inner sealing gasket 33; through the snap ring 22 and the groove 23 structure that set up, the user can make up fixed with two sets of flanges 21, and accessible snap ring 22 and groove 23 contact seal at first, and then make up fixed with two sets of flanges through connecting bolt, realize the needs of fastening.

In other embodiments, the valve seat 11 is arranged in the valve body 1, and the inner part of the valve seat 11 is fixedly connected with the bottom end of the rotating rod 3; the inner side of the snap ring 22 is of an inner hook structure, and the material of the snap ring is heat-resistant rubber material; the bottom end of the snap ring 22 is of a conical surface structure and is matched with the size of the groove 23; the inner gasket 33 is a metal wound rubber gasket; through gland 32, inner packing 33 and the sealing pad 31 that set up, the user can be through gland 32 structure, and with inner packing 33 and sealing pad 31 connect fixedly, strengthen sealed effect.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a clamping ring type high-pressure stop valve, includes valve body (1), its characterized in that: the top of valve body (1) sets up in valve gap (2), the top middle part of valve gap (2) is provided with bull stick (3), the top and the runner (4) fixed connection of bull stick (3), through connecting bolt (5) fixed connection between valve gap (2) and valve body (1), all be provided with flange (21) between valve gap (2) and valve body (1), the bottom recess (23) have been seted up to the inboard of flange (21), the top of flange (21) is provided with snap ring (22), snap ring (22) set up in recess (23).

2. The snap ring high pressure shut off valve of claim 1, wherein: the sealing device is characterized in that a sealing gasket (31) and a pressing cover (32) are arranged on the outer side of the rotating rod (3), the sealing gasket (31) is fixed on the top end of the inner side of the rotating rod (3) through the pressing cover (32), and an inner sealing gasket (33) is arranged at the bottom end of the inner side of the pressing cover (32).

3. The snap ring high pressure shut off valve of claim 1, wherein: the inside of valve body (1) is provided with disk seat (11), the inside of disk seat (11) and the bottom fixed connection of bull stick (3).

4. The snap ring high pressure shut off valve of claim 1, wherein: the inner side of the clamping ring (22) is of an inner hook structure, and the material of the clamping ring is heat-resistant rubber.

5. The snap ring high pressure shut off valve of claim 4, wherein: the bottom end of the clamping ring (22) is of a conical surface structure and is matched with the size of the groove (23).

6. The snap ring high pressure shut off valve of claim 2, wherein: the inner sealing gasket (33) is a metal-wound rubber gasket.